import requests


img_url = "https://img2.baidu.com/it/u=3147826967,2915042357&fm=253&fmt=auto&app=138&f=JPEG?w=750&h=500"

rep = requests.request(method="get", url=img_url)

with open("my_pic.png", 'wb') as f:
    f.write(rep.content)